Bộ 10 đề ôn thi học sinh giỏi Tiếng anh 9 năm 2023 có đáp án (Đề 3)

The number of cars on the roads ________ increasing, so we need to build more roads. A. is B. was C. were D. are

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The number of cars on the roads ________ increasing, so we need to build more roads.

is

was

were

are

Giải thích

Chọn A